To broadcast a message or data to aircraft or satellites, especially via radio waves; as opposed to uplinking to a specific satellite or aircraft
The ventilating shaft of a mine out of which the air passes after having circulated through the mine; -- distinguished from the downcast. Called also upcast pit, and upcast shaft
The ventilating shaft of a mine out of which the air passes after having circulated through the mine; -- distinguished from the owncast. Called also upcast pit, and upcast shaft